Use removeFontFace to avoid resetting fontSelector.

Source/core/frame/Settings.cpp

Index: Source/core/frame/Settings.cpp
diff --git a/Source/core/frame/Settings.cpp b/Source/core/frame/Settings.cpp
index b7d8d76b6ab41ad056b74efc08d75e7b77a8dd37..6f35376784dabfbd2a88c17460fb0b7a6be9572f 100644
--- a/Source/core/frame/Settings.cpp
+++ b/Source/core/frame/Settings.cpp
@@ -164,4 +164,46 @@ void Settings::setOpenGLMultisamplingEnabled(bool flag)
     invalidate(SettingsDelegate::MultisamplingChange);
 }
 
+void Settings::setStandardFontFamily(const AtomicString& font, UScriptCode script)
+{
+    m_genericFontFamilySettings.setStandard(font, script);
+    invalidate(SettingsDelegate::FontFamilyChange);
+}
+
+void Settings::setFixedFontFamily(const AtomicString& font, UScriptCode script)
+{
+    m_genericFontFamilySettings.setFixed(font, script);
+    invalidate(SettingsDelegate::FontFamilyChange);
+}
+
+void Settings::setSerifFontFamily(const AtomicString& font, UScriptCode script)
+{
+    m_genericFontFamilySettings.setSerif(font, script);
+    invalidate(SettingsDelegate::FontFamilyChange);
+}
+
+void Settings::setSansSerifFontFamily(const AtomicString& font, UScriptCode script)
+{
+    m_genericFontFamilySettings.setSansSerif(font, script);
+    invalidate(SettingsDelegate::FontFamilyChange);
+}
+
+void Settings::setCursiveFontFamily(const AtomicString& font, UScriptCode script)
+{
+    m_genericFontFamilySettings.setCursive(font, script);
+    invalidate(SettingsDelegate::FontFamilyChange);
+}
+
+void Settings::setFantasyFontFamily(const AtomicString& font, UScriptCode script)
+{
+    m_genericFontFamilySettings.setFantasy(font, script);
+    invalidate(SettingsDelegate::FontFamilyChange);
+}
+
+void Settings::setPictographFontFamily(const AtomicString& font, UScriptCode script)
+{
+    m_genericFontFamilySettings.setPictograph(font, script);
+    invalidate(SettingsDelegate::FontFamilyChange);
+}
+
 } // namespace WebCore